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EC number: 281-420-3 | CAS number: 83949-60-4
Endpoint summary
Administrative data
Description of key information
Appearance / physical state / colour:
The appearance of Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) was observed to be a solid organic compound.
Melting point/ Freezing point:
Based on prediction done using MPBPVP v1.43,the melting point of chemical Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4 -yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) was estimated to be 350˚C.
Boiling point:
Based on prediction done using MPBPVP v1.43, the Boiling point of chemical Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4 -yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) was estimated to be 1310 ˚C.
Density:
The density of chemical Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60 -4) was estimated to be 1.56 ± 0.1 g/cm3
Particle size distribution (Granulometry):
The particle size distribution of Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 147 micron to 52 micron.
Vapour pressure:
The estimated vapour pressure of the test substance Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) at 25deg C was 3.27E-32 Pa (2.46E-34 mm Hg).
Partition coefficient:
The octanol water partition coefficent of target chemical Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) was determined to be 5.5 dimensionless . On the basis of log Pow value the test chemical Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) (CAS no. 83949-60-4)was considered to be hydrophobic in nature which is also supported by the insolubilty of this chemical in water.
Water solubility:
The estimated water solubility of test substance Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) at 25 deg C was 0.000236 mg/l.
Surface tension:
In accordance with column 2 of Annex VII of the REACH regulation, the study need only be conducted if surface activity is a desired property of the chemical. The Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) is used as a laboratory chemical, for research purpose, etc. For this use, surface activity is not an important property. Hence this study was considered for waiver.
Flash point:
The flash point of Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) is determined to be greater than 360 °C.
Autoflammability:
Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) is not auto-flammable.
Flammability:
Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) does not indicate any ignition when the flame of bunsen burner having temperature of approximately 950°C is brought in contact with it. Thus it can be concluded that Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) was considered non-flammable for chemical safety assessment.
Explosiveness:
The study does not need to be conducted because there are no chemical groups present in the molecule which are associated with explosive properties.
Oxidising properties:
The study does not need to be conducted because there are no chemical groups present in the molecule which are associated with oxidizing properties and hence the classification procedure does not need to be applied.
Additional information
Appearance / physical state / colour:
Based on available data from obtained report, the appearance of Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl) azo]benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) was observed to be a solid organic compound.
Melting point/ Freezing point:
Based on the prediction done using the EPI Suite MPVPBP V1.43, the melting point of chemical
Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) (CAS no. 83949-60-4)was predicted.
The melting point of chemicalLithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) (CAS no. 83949-60-4)was estimated to be 350˚C.
Boiling point:
Based on the prediction done using the EPI Suite MPVPBP V1.43, the Boiling point of chemical
Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) was predicted.
The boiling point of chemical Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) was estimated to be 1310 ˚C.
Density:
Based on prediction done using ACD/I-Lab 2.0, the density of chemical Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl) azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) was estimated to be 1.56 ± 0.1 g/cm3.
Particle size distribution (Granulometry):
The particle size distribution of Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 147 micron to 52 micron.
Vapour pressure:
Modified Grain method (Mean of Antoine and Modified Grain methods) was used to estimate the vapour pressure of the test substance
Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) using MPBPVP v1.43 of EPI SUITE.
The estimated vapour pressure of the test substance Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)] chromate(1-) (CAS no. 83949-60-4) at 25deg C was 3.27E-32 Pa (2.46E-34 mm Hg).
Partition coefficient:
The octanol water partition coefficent of target chemical Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) was determined to be 5.5 dimensionless . On the basis of log Pow value the test chemical Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]chromate(1-) (CAS no. 83949-60-4)was considered to be hydrophobic in nature which is also supported by the insolubilty of this chemical in water.
Water solubility:
WSKOW v1.42 was used to estimate water solubility of the test substance Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl) azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4).
The estimated water solubility of the test substance Lithium bis 2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)] chromate(1-) (CAS no. 83949-60-4) at 25 deg C was 0.000236 mg/l.
Based on the estimated value, the test substance Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)] chromate(1-) (CAS no. 83949-60-4) was considered to be insoluble in water.
Surface tension:
In accordance with column 2 of Annex VII of the REACH regulation, the study need only be conducted if surface activity is a desired property of the chemical. The Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) is used as a laboratory chemical, for research purpose, etc. For this use, surface activity is not an important property. Hence this study was considered for waiver.
Flash point:
Based on available data from obtained report, the flash point of Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) is determined to be greater than 360 °C.
Hence based on obtained value the given chemical is not classified as flammable.
Autoflammability:
Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) is not auto-flammable.
Flammability:
Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) does not indicate any ignition when the flame of bunsen burner having temperature of approximately 950°C is brought in contact with it. Thus it can be concluded that Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus Lithium bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo] benzoato(2-)]chromate(1-) (CAS no. 83949-60-4) was considered non-flammable for chemical safety assessment.
Explosiveness:
The study does not need to be conducted because there are no chemical groups present in the molecule which are associated with explosive properties.
Oxidising properties:
The study does not need to be conducted because there are no chemical groups present in the molecule which are associated with oxidizing properties and hence the classification procedure does not need to be applied.
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